switch sh background color depending on dark-mode

page.html

@@ -16,7 +16,6 @@ else:
     <link rel="alternate" type="application/rss+xml" title="xythobuz.de" href="rss.xml" />
     <link type="text/css" rel="stylesheet" href="css/style.css" />
     <link type="text/css" rel="stylesheet" href="css/print.css" media="print" />
-    <link type="text/css" rel="stylesheet" href="css/sh_bright.min.css" />
     <link type="text/css" rel="stylesheet" href="css/gh-fork-ribbon.css" />
     <link type="text/css" rel="stylesheet" href="css/lightgallery.min.css" />
     <script type="text/javascript" src="js/sh_main.js"></script>

static/css/print.css

@@ -1,3 +1,5 @@
+@import "sh_bright.min.css";
+
 .wrap {
     display: none;
 }

static/css/sh_darkness.min.css

@@ -0,0 +1 @@
+pre.sh_sourceCode{background-color:#000;color:#fff;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_keyword{color:#ff0;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_type{color:#0f0;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_string{color:#abab00;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_regexp{color:#abab00;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_specialchar{color:#bfbfbf;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_comment{color:#888;font-weight:normal;font-style:italic;}pre.sh_sourceCode .sh_number{color:#619de7;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_preproc{color:#1da3cf;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_symbol{color:#f0f;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_function{color:#f34627;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_cbracket{color:#f0f;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_url{color:#abab00;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_date{color:#ff0;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_time{color:#ff0;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_file{color:#ff0;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_ip{color:#abab00;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_name{color:#abab00;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_variable{color:#26e0e7;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_oldfile{color:#bfbfbf;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_newfile{color:#abab00;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_difflines{color:#ff0;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_selector{color:#26e0e7;font-weight:normal;font-style:normal;}pre.sh_sourceCode .sh_property{color:#ff0;font-weight:bold;font-style:normal;}pre.sh_sourceCode .sh_value{color:#abab00;font-weight:bold;font-style:normal;}

static/css/style.css

@@ -1,3 +1,6 @@
+@import "sh_bright.min.css" (prefers-color-scheme: light);
+@import "sh_darkness.min.css" (prefers-color-scheme: dark);
+
 body {
     font-size: 1.2em;
     font-family: 'Droid Sans', sans-serif;